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A mad scientist switches Chopper's and Yakky's brains, and the two of them drive Fibber Fox crazy.
First Air Date : Jan 30, 1961
Siste Air-dato : Jan 06, 1962
Episode : 97 Episode
Årstid : 2 Årstid
Kjøretid: 7:14 minutter
Ettromsleilighet: Syndication
Land: United States of America